The crew of the American destroyer escort, the USS Haynes, detects a German U-Boat—resulting in a prolonged, deadly battle of wits.
Robert Mitchum
Capt. Murrell
Curd Jürgens
Kapitän von Stolberg
David Hedison
Lt. Ware
Theodore Bikel
Heinie Schwaffer
Russell Collins
Doctor
Kurt Kreuger
Von Holem (uncredited)
